[llvm] [SandboxIR][NFC] Move Region from SandboxVectorizer to SandboxIR. (PR #110173)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ve-ninja` running on `hpce-ve-main` while building `llvm` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/12/builds/6683

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/ve-linux.py ...' (failure)
...
[604/659] Building CXX object unittests/tools/llvm-profgen/CMakeFiles/LLVMProfgenTests.dir/ContextCompressionTest.cpp.o
[605/659] Building CXX object unittests/tools/llvm-exegesis/CMakeFiles/LLVMExegesisTests.dir/X86/TargetTest.cpp.o
[606/659] Building CXX object unittests/tools/llvm-profdata/CMakeFiles/LLVMProfdataTests.dir/OutputSizeLimitTest.cpp.o
[607/659] Linking CXX executable unittests/TableGen/TableGenTests
[608/659] Building CXX object unittests/tools/llvm-mca/CMakeFiles/LLVMMCATests.dir/X86/TestIncrementalMCA.cpp.o
[609/659] Building CXX object unittests/tools/llvm-mca/CMakeFiles/LLVMMCATests.dir/X86/X86TestBase.cpp.o
[610/659] Linking CXX executable unittests/TargetParser/TargetParserTests
[611/659] Linking CXX executable unittests/AsmParser/AsmParserTests
[612/659] Linking CXX executable unittests/tools/llvm-profgen/LLVMProfgenTests
[613/659] Building CXX object unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o
FAILED: unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o 
/usr/bin/ccache  /home/buildbot/install/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/SandboxIR -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/SandboxIR -I/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/include -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/include -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/third-party/unittest/googletest/include -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/third-party/unittest/googlemock/include -O2 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O2 -g -DNDEBUG  -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -funwind-tables -fno-rtti -Wno-suggest-override -std=c++17 -MD -MT unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o -MF unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o.d -o unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o -c /scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/SandboxIR/RegionTest.cpp
/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/SandboxIR/RegionTest.cpp:9:10: fatal error: 'llvm/Transforms/Vectorize/SandboxVectorizer/Region.h' file not found
#include "llvm/Transforms/Vectorize/SandboxVectorizer/Region.h"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[614/659] Linking CXX executable unittests/XRay/XRayTests
[615/659] Linking CXX executable unittests/ADT/ADTTests
[616/659] Linking CXX executable unittests/Linker/LinkerTests
[617/659] Linking CXX executable unittests/Debuginfod/DebuginfodTests
[618/659] Linking CXX executable unittests/tools/llvm-profdata/LLVMProfdataTests
[619/659] Linking CXX executable unittests/ExecutionEngine/ExecutionEngineTests
[620/659] Linking CXX executable unittests/ExecutionEngine/JITLink/JITLinkTests
[621/659] Linking CXX executable unittests/Support/SupportTests
[622/659] Linking CXX executable unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[623/659] Linking CXX executable unittests/MC/MCTests
[624/659] Linking CXX executable unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[625/659] Linking CXX executable unittests/DebugInfo/BTF/DebugInfoBTFTests
[626/659] Linking CXX executable unittests/DebugInfo/PDB/DebugInfoPDBTests
[627/659] Linking CXX executable unittests/Object/ObjectTests
[628/659] Linking CXX executable unittests/Bitcode/BitcodeTests
[629/659] Linking CXX executable unittests/ObjCopy/ObjCopyTests
[630/659] Linking CXX executable unittests/ObjectYAML/ObjectYAMLTests
[631/659] Linking CXX executable unittests/ProfileData/ProfileDataTests
[632/659] Linking CXX executable unittests/Transforms/Vectorize/VectorizeTests
[633/659] Linking CXX executable unittests/FuzzMutate/FuzzMutateTests
[634/659] Linking CXX executable unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[635/659] Linking CXX executable unittests/tools/llvm-cfi-verify/CFIVerifyTests
[636/659] Linking CXX executable unittests/Transforms/IPO/IPOTests
[637/659] Linking CXX executable unittests/Target/VE/VETests
[638/659] Linking CXX executable unittests/MIR/MIRTests
[639/659] Linking CXX executable unittests/MI/MITests
[640/659] Linking CXX executable unittests/CodeGen/GlobalISel/GlobalISelTests
[641/659] Linking CXX executable unittests/Target/TargetMachineCTests
[642/659] Linking CXX executable unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[643/659] Linking CXX executable unittests/Transforms/Instrumentation/InstrumentationTests
[644/659] Linking CXX executable unittests/Transforms/Coroutines/CoroTests
[645/659] Linking CXX executable unittests/tools/llvm-mca/LLVMMCATests
[646/659] Linking CXX executable unittests/Transforms/Scalar/ScalarTests
Step 8 (check-llvm) failure: check-llvm (failure)
...
[604/659] Building CXX object unittests/tools/llvm-profgen/CMakeFiles/LLVMProfgenTests.dir/ContextCompressionTest.cpp.o
[605/659] Building CXX object unittests/tools/llvm-exegesis/CMakeFiles/LLVMExegesisTests.dir/X86/TargetTest.cpp.o
[606/659] Building CXX object unittests/tools/llvm-profdata/CMakeFiles/LLVMProfdataTests.dir/OutputSizeLimitTest.cpp.o
[607/659] Linking CXX executable unittests/TableGen/TableGenTests
[608/659] Building CXX object unittests/tools/llvm-mca/CMakeFiles/LLVMMCATests.dir/X86/TestIncrementalMCA.cpp.o
[609/659] Building CXX object unittests/tools/llvm-mca/CMakeFiles/LLVMMCATests.dir/X86/X86TestBase.cpp.o
[610/659] Linking CXX executable unittests/TargetParser/TargetParserTests
[611/659] Linking CXX executable unittests/AsmParser/AsmParserTests
[612/659] Linking CXX executable unittests/tools/llvm-profgen/LLVMProfgenTests
[613/659] Building CXX object unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o
FAILED: unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o 
/usr/bin/ccache  /home/buildbot/install/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/unittests/SandboxIR -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/SandboxIR -I/scratch/buildbot/bothome/clang-ve-ninja/build/build_llvm/include -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/include -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/third-party/unittest/googletest/include -I/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/third-party/unittest/googlemock/include -O2 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O2 -g -DNDEBUG  -Wno-variadic-macros -Wno-gnu-zero-variadic-macro-arguments -fno-exceptions -funwind-tables -fno-rtti -Wno-suggest-override -std=c++17 -MD -MT unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o -MF unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o.d -o unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/RegionTest.cpp.o -c /scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/SandboxIR/RegionTest.cpp
/scratch/buildbot/bothome/clang-ve-ninja/llvm-project/llvm/unittests/SandboxIR/RegionTest.cpp:9:10: fatal error: 'llvm/Transforms/Vectorize/SandboxVectorizer/Region.h' file not found
#include "llvm/Transforms/Vectorize/SandboxVectorizer/Region.h"
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[614/659] Linking CXX executable unittests/XRay/XRayTests
[615/659] Linking CXX executable unittests/ADT/ADTTests
[616/659] Linking CXX executable unittests/Linker/LinkerTests
[617/659] Linking CXX executable unittests/Debuginfod/DebuginfodTests
[618/659] Linking CXX executable unittests/tools/llvm-profdata/LLVMProfdataTests
[619/659] Linking CXX executable unittests/ExecutionEngine/ExecutionEngineTests
[620/659] Linking CXX executable unittests/ExecutionEngine/JITLink/JITLinkTests
[621/659] Linking CXX executable unittests/Support/SupportTests
[622/659] Linking CXX executable unittests/Transforms/Vectorize/SandboxVectorizer/SandboxVectorizerTests
[623/659] Linking CXX executable unittests/MC/MCTests
[624/659] Linking CXX executable unittests/DebugInfo/GSYM/DebugInfoGSYMTests
[625/659] Linking CXX executable unittests/DebugInfo/BTF/DebugInfoBTFTests
[626/659] Linking CXX executable unittests/DebugInfo/PDB/DebugInfoPDBTests
[627/659] Linking CXX executable unittests/Object/ObjectTests
[628/659] Linking CXX executable unittests/Bitcode/BitcodeTests
[629/659] Linking CXX executable unittests/ObjCopy/ObjCopyTests
[630/659] Linking CXX executable unittests/ObjectYAML/ObjectYAMLTests
[631/659] Linking CXX executable unittests/ProfileData/ProfileDataTests
[632/659] Linking CXX executable unittests/Transforms/Vectorize/VectorizeTests
[633/659] Linking CXX executable unittests/FuzzMutate/FuzzMutateTests
[634/659] Linking CXX executable unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
[635/659] Linking CXX executable unittests/tools/llvm-cfi-verify/CFIVerifyTests
[636/659] Linking CXX executable unittests/Transforms/IPO/IPOTests
[637/659] Linking CXX executable unittests/Target/VE/VETests
[638/659] Linking CXX executable unittests/MIR/MIRTests
[639/659] Linking CXX executable unittests/MI/MITests
[640/659] Linking CXX executable unittests/CodeGen/GlobalISel/GlobalISelTests
[641/659] Linking CXX executable unittests/Target/TargetMachineCTests
[642/659] Linking CXX executable unittests/DebugInfo/DWARF/DebugInfoDWARFTests
[643/659] Linking CXX executable unittests/Transforms/Instrumentation/InstrumentationTests
[644/659] Linking CXX executable unittests/Transforms/Coroutines/CoroTests
[645/659] Linking CXX executable unittests/tools/llvm-mca/LLVMMCATests
[646/659] Linking CXX executable unittests/Transforms/Scalar/ScalarTests

```

</details>

https://github.com/llvm/llvm-project/pull/110173